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Experienced league bowlers tend to bowl between 205 and 225 per game, with professionals slightly higher at 230 to 250. Bowling skill, however, is not measured by a high score on one particular game, but by the average of the bowler's scores over time.

It is very difficult to bowl a perfect game. The highest average score for a professional bowler in 2009 was 222.34 for Bill O'Neil, according to Bleacher Report.